40344100 has 36 divisors (see below), whose sum is σ = 87841600. Its totient is φ = 16083360.

The previous prime is 40344091. The next prime is 40344103. The reversal of 40344100 is 144304.

It is not an unprimeable number, because it can be changed into a prime (40344103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43441 + ... + 44359.

Almost surely, 2^40344100 is an apocalyptic number.

It is an amenable number.

40344100 is an abundant number, since it is smaller than the sum of its proper divisors (47497500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40344100 is a wasteful number, since it uses less digits than its factorization.

40344100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40344100 is about 6351.7005596927. The cubic root of 40344100 is about 342.9730618289.

Adding to 40344100 its reverse (144304), we get a palindrome (40488404).

The spelling of 40344100 in words is "forty million, three hundred forty-four thousand, one hundred".